/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraDataChannelAccessor.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=NiagaraDataChannel, Meta=(Keywords="niagara DataChannel")) void WriteQuat ( [FName](API\Runtime\Core\UObject\FName) VarName, int32 Index, FQuat InData )